Quotes
Each plank is 20 centimeters (0.656 feet) tall. Since the USA uses feet as a measurement, you can calculate the number of planks required for various heights, starting at 1 foot (approximately 2 planks) and increasing by 1 foot per level, which is equivalent to 2 planks per foot.
Measure for Height
1 foot (0.656 feet per plank): Requires 2 planks.
2 feet: Requires 4 planks.
3 feet: Requires 6 planks.
4 feet: Requires 8 planks.
5 feet: Requires 10 planks, and so on.
1 Planks: 0.66 feet
2 Planks: 1.31 feet
3 planks: 1.968 feet
4 planks: 2.624 feet
5 planks: 3.280 feet
6 planks: 3.936 feet
7 planks: 4.592 feet
8 planks: 5.248 feet
9 planks: 5.904 feet
10 planks: 6.560 feet
